Tomato lack of manganese prevention and treatment

2022-11-24 11:06:25

Symptoms of tomatoes lacking in manganese: mostly from the mid-new leaves to the beginning of chlorosis, from leaf margins to veins between the expansion, while both the upper and lower lobes expand in both directions. Most of the leaves turned yellow except the main vein and midrib are still green. Severely deficient manganese has gray or brown spots, while the plants are short and thin, and flower buds often appear yellow.

Control measures: increase the application of high-quality organic fertilizers; scientific application of chemical fertilizers, should pay attention to comprehensive mixing or sub-application, do not make the fertilizer into a high concentration in the soil. The 0.2% manganese sulfate aqueous solution can be used to spray the leaves.

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